Koepcke's Hermit is a hummingbird that uses the forest understory. It follows regular routes between flowers for nectar and also eats small arthropods.
Its upperparts are olive, with reddish-brown feathers at the base of the tail. Further color variation is not described beyond the account's stated scope.
It inhabits the understory of moist forests in the eastern Peruvian Andes and visits flowers along regular routes for nectar. It also eats small arthropods.
An extinction-risk assessment has not been added yet.